CVE-2026-11048
Analyzed Analyzed - Analysis Complete
Inappropriate Implementation in Chrome Extensions Bypasses Same Origin Policy

Publication date: 2026-06-04

Last updated on: 2026-06-08

Assigner: Chrome

Description
Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension. (Chromium security severity: Medium)
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Meta Information
Published
2026-06-04
Last Modified
2026-06-08
Generated
2026-06-25
AI Q&A
2026-06-05
EPSS Evaluated
2026-06-24
NVD
CVE-2026-11048
EUVD
EUVD-2026-34497
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 149.0.7827.53 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-346 The product does not properly verify that the source of data or communication is valid.
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Executive Summary

This vulnerability is an inappropriate implementation in the Extensions feature of Google Chrome versions prior to 149.0.7827.53. It allows an attacker who convinces a user to install a malicious Chrome extension to bypass the same origin policy by using a specially crafted extension.

Impact Analysis

If exploited, this vulnerability could allow an attacker to bypass the same origin policy, potentially enabling them to access or manipulate data from different origins within the browser. This could lead to unauthorized access to sensitive information or actions performed on behalf of the user.

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